paricafe/src/api/endpoints/messaging/messages.ts

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/**
* Module dependencies
*/
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import it from '../../it';
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import Message from '../../models/messaging-message';
import User from '../../models/user';
import serialize from '../../serializers/messaging-message';
import publishUserStream from '../../event';
import { publishMessagingStream } from '../../event';
/**
* Get messages
*
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* @param {any} params
* @param {any} user
* @return {Promise<any>}
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*/
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module.exports = (params, user) => new Promise(async (res, rej) => {
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// Get 'user_id' parameter
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const [recipientId, recipientIdErr] = it(params.user_id).expect.id().required().qed();
if (recipientIdErr) return rej('invalid user_id param');
// Fetch recipient
const recipient = await User.findOne({
_id: recipientId
}, {
fields: {
_id: true
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}
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});
if (recipient === null) {
return rej('user not found');
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}
// Get 'mark_as_read' parameter
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const [markAsRead, markAsReadErr] = it(params.mark_as_read).expect.boolean().default(true).qed();
if (markAsReadErr) return rej('invalid mark_as_read param');
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// Get 'limit' parameter
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const [limit, limitErr] = it(params.limit).expect.number().range(1, 100).default(10).qed();
if (limitErr) return rej('invalid limit param');
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// Get 'since_id' parameter
const [sinceId, sinceIdErr] = it(params.since_id).expect.id().qed();
if (sinceIdErr) return rej('invalid since_id param');
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// Get 'max_id' parameter
const [maxId, maxIdErr] = it(params.max_id).expect.id().qed();
if (maxIdErr) return rej('invalid max_id param');
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// Check if both of since_id and max_id is specified
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if (sinceId && maxId) {
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return rej('cannot set since_id and max_id');
}
const query = {
$or: [{
user_id: user._id,
recipient_id: recipient._id
}, {
user_id: recipient._id,
recipient_id: user._id
}]
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} as any;
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const sort = {
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_id: -1
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};
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if (sinceId) {
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sort._id = 1;
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query._id = {
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$gt: sinceId
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};
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} else if (maxId) {
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query._id = {
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$lt: maxId
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};
}
// Issue query
const messages = await Message
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.find(query, {
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limit: limit,
sort: sort
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});
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// Serialize
res(await Promise.all(messages.map(async message =>
await serialize(message, user, {
populateRecipient: false
}))));
if (messages.length === 0) {
return;
}
// Mark as read all
if (markAsRead) {
const ids = messages
.filter(m => m.is_read == false)
.filter(m => m.recipient_id.equals(user._id))
.map(m => m._id);
// Update documents
await Message.update({
_id: { $in: ids }
}, {
$set: { is_read: true }
}, {
multi: true
});
// Publish event
publishMessagingStream(recipient._id, user._id, 'read', ids.map(id => id.toString()));
const count = await Message
.count({
recipient_id: user._id,
is_read: false
});
if (count == 0) {
// 全ての(いままで未読だった)メッセージを(これで)読みましたよというイベントを発行
publishUserStream(user._id, 'read_all_messaging_messages');
}
}
});